这是我得到的错误。让我知道它的根本原因是什么。
sqlstate[42000]：语法错误或访问冲突：1701无法截断外键约束中引用的表( Proficiency . t_catalog_item_recommendations ，约束 fk_t_catalog_item_recommendations_catalog_item_id 外键( catalog_item_id )参考文献 Proficiency . t_catalog_items ( id ))
每当我执行测试脚本时，它都会给出以下消息：
警告：为第244行调用堆栈上的/var/www/html/lib/cake/testsuite/fixture/caketestfixture.php中的“catalog\u items”创建fixture失败“sqlstate[42s01]：基表或视图已存在：1050表“t\u catalog\u items”已存在：0.0018 262208 1{main}（）/var/www/html/app/webroot/test。php:0 0.1119 1133560 2. caketestsuitedispatcher:：run（）/var/www/html/app/webroot/test。php:97 0.1120 1133968 3. caketestsuitedispatcher->dispatch（）/var/www/html/lib/cake/testsuite/caketestsuitedispatcher。php:113 0.1205 1278304 4. caketestsuitedispatcher->\u runtestcase（）/var/www/html/lib/cake/testsuite/caketestsuitedispatcher。php:96 0.1314 1320376 5. caketestsuitecommand->run（）/var/www/html/lib/cake/testsuite/caketestsuitedispatcher。php:253 0.1930 2144664 6. caketestrunner->dorun（）/var/www/html/lib/cake/testsuite/caketestsuitecommand。php:96 0.2285 2481368 7. phpunit\u textui\u testrunner->dorun（）/var/www/html/lib/cake/testsuite/caketestrunner。php:60 0.2334 2521736 8. phpunit\u framework\u testsuite->run（）/var/www/html/vendor/phpunit/phpunit/phpunit/textui/testrunner。php:350 0.2538 2770160 9. phpunit\u framework\u testsuite->runtest（）/var/www/html/vendor/phpunit/phpunit/phpunit/framework/testsuite。php:749 0.2538 2770288 10. caketestcase->run（）/var/www/html/vendor/phpunit/phpunit/phpunit/framework/testsuite。php:779 0.2538 2770512 11. cakefixturemanager->load（）/var/www/html/lib/cake/testsuite/caketestcase。php:80 0.2541 2772984 12. cakefixturemanager->\u setuptable（）/var/www/html/lib/cake/testsuite/fixture/cakefixturemanager。php:234 0.2572 2784752 13. caketestfixture->create（）/var/www/html/lib/cake/testsuite/fixture/cakefixturemanager。php:206 0.4597 2824904 14. trigger\u error（）/var/www/html/lib/cake/testsuite/fixture/caketestfixture。php:244